<!--
 * @Author: xws 1043495328@qq.com
 * @Date: 2023-07-17 17:56:27
 * @LastEditors: xws 1043495328@qq.com
 * @LastEditTime: 2023-08-03 16:17:58
 * @FilePath: \vue3-admin-template\src\views\acl\permission\index.vue
 * @Description: 这是默认设置,请设置`customMade`, 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
-->
<template>
  <el-card class="box-card">
    <el-button
      type="primary"
      size="default"
      icon="Plus"
      @click="addTrademark"
      v-has="'btn.Trademark.add'"

    >
      添加品牌
    </el-button>
    <!-- 表格组件 -->
    <el-table style="margin: 10px 0px" :data="trademarkArr" border>
      <el-table-column type="index" label="序号" width="80" align="center" />
      <el-table-column label="品牌名称" width="180">
        <template #="{ row, $index }">
          <pre>{{ row.tmName }}</pre>
        </template>
      </el-table-column>
      <el-table-column label="品牌LOGO" width="180">
        <template #="{ row, $index }">
          <img
            :src="row.logoUrl"
            alt="未找到图片"
            style="width: 100px; height: 100px"
          />
        </template>
      </el-table-column>
      <el-table-column prop="address" label="操作">
        <template #="{ row, $index }">
          <el-button
            type="primary"
            size="small"
            icon="Edit"
            @click="updateTrademark(row)"
          >
            编辑
          </el-button>

          <el-popconfirm
            :title="`您确认要删除${row.tmName}吗?`"
            width="200px"
            icon="Delete"
            icon-color="red"
            @confirm="removeTradeMark(row.id)"
          >
            <template #reference>
              <el-button type="danger" size="small" icon="Delete">
                删除
              </el-button>
            </template>
          </el-popconfirm>
        </template>
      </el-table-column>
    </el-table>
    <!-- 分页器 -->
    <el-pagination
      @current-change="getHasTrademark"
      @size-change="getHasTrademark"
      v-model:current-page="pagNo"
      v-model:page-size="limit"
      :page-sizes="[3, 5, 7, 9]"
      :pager-count="9"
      :background="true"
      layout=" prev, pager, next, jumper,->,total, sizes"
      :total="total"
    />
  </el-card>
  <!-- 对话框组件:在添加品牌与修改已有品牌的业务时候使用结构 -->
  <!-- v-model:届性用户控制对话框的显示与隐藏的 true显示 false隐藏
    title:设置对话框左上角标题 -->
  <el-dialog
    v-model="dialogFormVisible"
    :title="trademarkParams.id ? '修改品牌' : '添加品牌'"
  >
    <el-form
      style="width: 80%"
      :model="trademarkParams"
      :rules="rules"
      ref="formRef"
    >
      <el-form-item label="品牌名称" label-width="80px" prop="tmName">
        <el-input
          placeholder="请输入品牌名称"
          v-model="trademarkParams.tmName"
        ></el-input>
      </el-form-item>
      <el-form-item label="品牌LOGO" label-width="80px" prop="logoUrl">
        <!-- 上传图片 -->
        <!-- upload组件属性:action图片上传路径书写/api,代理服务器不发送这次post请求 -->
        <el-upload
          class="avatar-uploader"
          action="/api/admin/product/fileUpload"
          :show-file-list="false"
          :on-success="handleAvatarSuccess"
          :before-upload="beforeAvatarUpload"
        >
          <img
            v-if="trademarkParams.logoUrl"
            :src="trademarkParams.logoUrl"
            class="avatar"
          />
          <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
        </el-upload>
      </el-form-item>
    </el-form>
    <!-- 具名插槽 -->
    <template #footer>
      <el-button type="primary" size="default" @click="confirm">确定</el-button>
      <el-button type="primary" size="default" @click="cancal">取消</el-button>
    </template>
  </el-dialog>
</template>

<script setup lang="ts">
import { nextTick, onMounted, reactive, ref } from 'vue'
import {
  reqHasTrademark,
  reqAddOrUpdateTrademark,
  reqDeketesTrademark,
} from '@/api/product/trademark'
import { ElMessage, UploadProps } from 'element-plus'

import type {
  Records,
  TradeMarkResponseData,
  TradeMark,
} from '@/api/product/trademark/type'

//当前页码
const pagNo = ref(1)
//每一页展示多少条数据
const limit = ref<number>(3)
// 储存已有品牌数据的总数
const total = ref<number>(0)
// 储存已有品牌数据
const trademarkArr = ref<Records>([])
//控制对话框显示隐藏
const dialogFormVisible = ref<boolean>(false)
// 定义收集新增品牌数据
const trademarkParams = reactive<TradeMark>({
  tmName: '',
  logoUrl: '',
})
//获取el-form 组件实例
const formRef = ref()
//获取已有品牌的接口为接口封装为一个函数:在任何情况下向获取数据,调用次函数即可
const getHasTrademark = async (pager = 1) => {
  pagNo.value = pager
  const result: TradeMarkResponseData = await reqHasTrademark(
    pagNo.value,
    limit.value,
  )
  //   console.log('result: ', result)
  total.value = result.data.total
  trademarkArr.value = result.data.records
}
//添加品牌按钮回调
const addTrademark = () => {
  dialogFormVisible.value = true
  //清空收集的数据
  trademarkParams.logoUrl = ''
  trademarkParams.tmName = ''
  trademarkParams.id = 0
  //第一种写法:ts的问号语法
  // formRef.value?.clearValidate('tmName');
  // formRef.value?.clearValidate('logoUrl');
  nextTick(() => {
    formRef.value.clearValidate('tmName')
    formRef.value.clearValidate('logoUrl')
  })
}
//修改品牌按钮回调
// row为当前已有品牌
const updateTrademark = (row: TradeMark) => {
  //清空校验规则错误提示信息
  nextTick(() => {
    formRef.value.clearValidate('tmName')
    formRef.value.clearValidate('logoUrl')
  })
  dialogFormVisible.value = true
  //ES6语法合并对象
  Object.assign(trademarkParams, row)
  //   trademarkParams.id = row.id
  //   //展示已有品牌数据
  //   trademarkParams.tmName = row.tmName
  //   trademarkParams.logoUrl = row.logoUrl
}

const cancal = () => {
  // 取消
  dialogFormVisible.value = false
}
const confirm = async () => {
  //在你发请求之前,要对于整个表单进行校验
  //调用这个方法进行全部表单相校验,如果校验全部通过，在执行后面的语法
  await formRef.value.validate()
  const result: any = await reqAddOrUpdateTrademark(trademarkParams)
  //   添加||修改品牌
  if (result.code == 200) {
    //关闭对话框
    dialogFormVisible.value = false
    ElMessage({
      type: 'success',
      message: trademarkParams.id ? '修改品牌成功' : '添加品牌成功',
    })
    //再次发请求获取已有全部的品牌数据
    getHasTrademark(trademarkParams.id ? pagNo.value : 1)
  } else {
    ElMessage({
      type: 'error',
      message: trademarkParams.id ? '修改品牌失败' : '添加品牌失败',
    })
    dialogFormVisible.value = false
  }
  // 确定
}
// 上传图片组件->上传图片之前触发的钩了函数
const beforeAvatarUpload: UploadProps['beforeUpload'] = (rawFile) => {
  //钩子是在图片上传成功之前触发，上传文件之前可以约束文件类型 与大小
  //要求:上传文件格式png|jpg|gif 4M
  if (
    rawFile.type == 'image/png' ||
    rawFile.type == 'image/jpeg' ||
    rawFile.type == 'image/gif'
  ) {
    if (rawFile.size / 1024 / 1024 < 4) {
      return true
    } else {
      ElMessage({
        type: 'error',
        massage: '要求上传文件大小小于4M',
      })
      return false
    }
  } else {
    ElMessage({
      type: 'error',
      massage: '要求上传文件格式png|jpg|gif',
    })
    return false
  }
}
// 图片上传成功的钩子
const handleAvatarSuccess: UploadProps['onSuccess'] = (
  response,
  uploadFile,
) => {
  //response:即为当前这饮上传图片post请求服务器返回的数据
  //收集上传图片的地址,添加一个新的品牌的时候带给服务器
  trademarkParams.logoUrl = response.data
  //图片上传成功,清除掉对应图片校验结果
  formRef.value.clearValidate('logoUrl')
}
//品牌自定义校验规则方法
const validatorTmName = (rule: any, value: any, callBack: any) => {
  //是当表单元素触发blur时候,会触发此方法
  //自定义校验规则
  if (value.trim().length >= 2) {
    callBack()
  } else {
    //校验未通过返回的错误的提示信息
    callBack(new Error('品牌名称位数大于等于两位'))
  }
}
const validatorLogoUrl = (rule: any, value: any, callBack: any) => {
  //如果图片上传
  if (value) {
    callBack()
  } else {
    callBack(new Error('LOGO图片务必上传'))
  }
}
// 表单校验规则对象
const rules = {
  tmName: [{ required: true, trigger: 'blur', validator: validatorTmName }],
  logoUrl: [{ required: true, validator: validatorLogoUrl }],
}
// 气泡确认框确定按钮的回调
const removeTradeMark = async (id: number) => {
  //点击确定按钮删除已有品牌请求
  const result = await reqDeketesTrademark(id)
  if (result.code == 200) {
    ElMessage({
      type: 'success',
      message: '删除品牌成功',
    })
    //再次发请求获取已有全部的品牌数据
    getHasTrademark(
      trademarkArr.value.length > 1 ? pagNo.value : pagNo.value - 1,
    )
  } else {
    ElMessage({
      type: 'error',
      message: '删除品牌失败',
    })
  }
}
//当下拉菜单发生变化的时候触发次方法。
// 这个自定义事件,分页器组件会将下拉菜单选中数据返回
// const sizeChange = () => {
//     getHasTrademark();
// }

//分页器当前页码发生变化的时候会触发
//对于当前页码发生变化自定义事件,组件pagination父组件回传了数据(当前的页码)
// const changePageNo = () => {
//     //当前页码发生变化的时候再次发请求获取对应已有品牌数据展示
//     getHasTrademark();
// }
onMounted(() => {
  getHasTrademark()
})
</script>

<style scoped>
.avatar-uploader .avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed var(--el-border-color);
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: var(--el-transition-duration-fast);
}

.avatar-uploader .el-upload:hover {
  border-color: var(--el-color-primary);
}

.el-icon.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  text-align: center;
}
</style>
